AS13335 Cloudflare, Inc. 🇺🇸 US

Announcing 5,348 prefixes, seen at the RIS collectors.

IPv4 prefixes
2,396
2,515,968 (9,828 × /24)
IPv6 prefixes
2,952
19 × /32
Upstreams
114
transit providers observed
Peers
111
settlement-free adjacencies
Downstreams
1,014
transit customers observed
Customer cone
19,912
ASes reachable through it

Registry and operator data

AS number
AS13335
Name
Cloudflare, Inc.
Organisation
Cloudflare
Country
🇺🇸 US
RIR
ARIN
Allocated
2010-07-14
Network type
Content
Scope
Global
Peering policy
Open
IRR as-set
AS13335:AS-CLOUDFLARE
PeeringDB
net/4224
Exchanges
356
Facilities
224

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

5,215 valid (97.5%) 5 invalid (0.1%) 128 no ROA (2.4%)

Announcement history

One point per day, recorded at each table import

Not enough history yet. The chart fills in as imports run.

IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-09-18 19:01:41Z new prefix 2400:cb00:1426::/48 AS13335 Cloudflare, Inc. 14035771299463746374637463746374637133351333513335
2026-09-18 19:01:41Z new prefix 104.22.223.0/24 AS13335 Cloudflare, Inc. 149071299133351333513335
2026-09-18 19:01:41Z new prefix 104.22.222.0/24 AS13335 Cloudflare, Inc. 149071299133351333513335
2026-09-18 11:41:59Z new prefix 2400:cb00:a451::/48 AS13335 Cloudflare, Inc. 17639930417413335
2026-09-18 11:41:58Z new prefix 2400:cb00:a452::/48 AS13335 Cloudflare, Inc. 852129913335
2026-09-18 09:57:07Z new prefix 2400:cb00:dfd3::/48 AS13335 Cloudflare, Inc. 8521299335613335
2026-09-18 09:12:15Z new prefix 2400:cb00:a9b1::/48 AS13335 Cloudflare, Inc. 48185129917413335
2026-09-18 07:55:26Z new prefix 104.16.0.0/12 AS13335 Cloudflare, Inc. 4967312389129913335
2026-09-18 06:41:23Z new prefix 2400:cb00:a150::/48 AS13335 Cloudflare, Inc. 49432215510483621299551113335
2026-09-18 06:41:23Z new prefix 2400:cb00:a151::/48 AS13335 Cloudflare, Inc. 4943221551048362129913335
2026-09-18 06:41:23Z new prefix 2400:cb00:a152::/48 AS13335 Cloudflare, Inc. 49432215510483621299645313335
2026-09-18 06:41:23Z new prefix 2400:cb00:a157::/48 AS13335 Cloudflare, Inc. 49432215510483621299676213335
2026-09-18 06:41:23Z new prefix 2400:cb00:a741::/48 AS13335 Cloudflare, Inc. 4943221551048362129913335
2026-09-18 06:41:23Z new prefix 2400:cb00:b511::/48 AS13335 Cloudflare, Inc. 49432215510315436939676213335
2026-09-18 06:29:37Z new prefix 104.234.177.0/24 AS13335 Cloudflare, Inc. 49134533566939129913335
2026-09-18 06:28:17Z new prefix 2a06:98c0:1c15::/48 AS13335 Cloudflare, Inc. 7018129913335
2026-09-18 05:35:26Z new prefix 2400:cb00:a155::/48 AS13335 Cloudflare, Inc. 49432483629002551113335
2026-09-18 05:35:26Z new prefix 2400:cb00:a742::/48 AS13335 Cloudflare, Inc. 49432483629002325713335
2026-09-18 05:35:26Z new prefix 2400:cb00:a156::/48 AS13335 Cloudflare, Inc. 4943248362129917413335
2026-09-18 05:35:26Z new prefix 2400:cb00:a153::/48 AS13335 Cloudflare, Inc. 49432483629002291413335
2026-09-18 05:35:26Z new prefix 2400:cb00:a154::/48 AS13335 Cloudflare, Inc. 49432483629002335613335